WO2008136154A1 - 表示装置用照明装置、表示装置 - Google Patents

表示装置用照明装置、表示装置 Download PDF

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Publication number
WO2008136154A1
WO2008136154A1 PCT/JP2007/074206 JP2007074206W WO2008136154A1 WO 2008136154 A1 WO2008136154 A1 WO 2008136154A1 JP 2007074206 W JP2007074206 W JP 2007074206W WO 2008136154 A1 WO2008136154 A1 WO 2008136154A1
Authority
WO
WIPO (PCT)
Prior art keywords
display apparatus
light source
lighting device
right under
chassis
Prior art date
Application number
PCT/JP2007/074206
Other languages
English (en)
French (fr)
Inventor
Masahiro Arai
Original Assignee
Sharp Kabushiki Kaisha
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sharp Kabushiki Kaisha filed Critical Sharp Kabushiki Kaisha
Priority to CN2007800525559A priority Critical patent/CN101646897B/zh
Priority to US12/594,015 priority patent/US20100149789A1/en
Publication of WO2008136154A1 publication Critical patent/WO2008136154A1/ja

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133604—Direct backlight with lamps
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/02—Details
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133608—Direct backlight including particular frames or supporting means

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal (AREA)
  • Planar Illumination Modules (AREA)
  • Details Of Measuring Devices (AREA)

Abstract

本発明の表示装置用照明装置１２は、光源１７と、前記光源１７を覆うシャーシ１４と、を備え、前記シャーシ１４は、前記光源１７の直下において溝部５１又は開口部６１を備え、前記溝部５１又は前記開口部６１は、その幅が、前記光源１７のうち高電圧となる部分７０の直下に比して、当該光源の低電圧となる部分８０の直下において相対的に小さく構成されてなることを特徴とする。
PCT/JP2007/074206 2007-04-20 2007-12-17 表示装置用照明装置、表示装置 WO2008136154A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN2007800525559A CN101646897B (zh) 2007-04-20 2007-12-17 显示装置用照明装置、显示装置
US12/594,015 US20100149789A1 (en) 2007-04-20 2007-12-17 Lighting device for display device and display device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007-111610 2007-04-20
JP2007111610 2007-04-20

Publications (1)

Publication Number Publication Date
WO2008136154A1 true WO2008136154A1 (ja) 2008-11-13

Family

ID=39943275

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2007/074206 WO2008136154A1 (ja) 2007-04-20 2007-12-17 表示装置用照明装置、表示装置

Country Status (3)

Country Link
US (1) US20100149789A1 (ja)
CN (1) CN101646897B (ja)
WO (1) WO2008136154A1 (ja)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011070873A1 (ja) * 2009-12-11 2011-06-16 シャープ株式会社 照明装置、表示装置及びテレビ受信装置
CN204372713U (zh) * 2015-02-10 2015-06-03 北京京东方多媒体科技有限公司 一种背光源模组及显示装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004220980A (ja) * 2003-01-16 2004-08-05 Tama Electric Co Ltd バックライト装置
JP2006066360A (ja) * 2004-08-27 2006-03-09 Samsung Electronics Co Ltd バックライトアセンブリ及びこれを有する液晶表示装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100774579B1 (ko) * 2002-10-25 2007-11-09 삼성전자주식회사 백라이트 어셈블리 및 이를 갖는 액정표시장치
US7173812B2 (en) * 2004-10-11 2007-02-06 Chunghwa Picture Tubes, Ltd. Backlight module and feedback circuit structure thereof
TWI285776B (en) * 2005-10-06 2007-08-21 Au Optronics Corp Backlight module and liquid crystal display device incorporating the same

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004220980A (ja) * 2003-01-16 2004-08-05 Tama Electric Co Ltd バックライト装置
JP2006066360A (ja) * 2004-08-27 2006-03-09 Samsung Electronics Co Ltd バックライトアセンブリ及びこれを有する液晶表示装置

Also Published As

Publication number Publication date
CN101646897A (zh) 2010-02-10
CN101646897B (zh) 2011-05-18
US20100149789A1 (en) 2010-06-17

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